. >> the united states should have that in their curriculum because -- because everybody's affected by it. >> i think this should be taught in school because teens should have a right to know about this -- about what happened. >> the tribute center is packed with exhibits. it also runs special programs for students, as well as guided walking tours of the area. >> for mr. ielpi, the center is very personal. his son jonathan, a firefighter, died on 9/11. that's his helmet and coat, along with photos of comrades who gave their lives trying to save others. an important part of the tribute center is a look at what happened aft9/11. the center believes that through education comes understanding. that's why visitors are asked to share their thoughts. for more information on the 9/11 tribute center, follow the link on our website. man: the environment is my passion. every day, i live for the outdoors and all of its challenges. that's why i enlisted in the coast guard. now i serve to protect the environment and defend my country. it's like i was born for this. were you born ready for a greater